1. what is hypotheses testing?
a) Research hypotheses versus statistical hypotheses
please explain simply, but also detailed explanation
Hypothesis test is the test for statistics or research found through the test of small samples. This test is mainly done in the people for getting various result and it is done to get a primary idea about any issue. In the field of business it is highly used. It is used to get an assumption on the difference among people or various opinions. It also reflects the trend of the people regarding some particular issues. As it is done taking small samples, therefore it is not always valid and true. There are various types and subtypes of variables. It relates the relations a d difference among the variables.
Research hypothesis shows the relationship between independent variables and dependent variables. Here it shows how independent variables control the dependent variables.
It is found that there may be error in the research hypothesis. Then statistical hypothesis is used for investigating scientifically the research hypothesis. As for example the research hypothesis takes sample to see how many people take advantage of healthcare. It may be based on the selected people living in a particular area. So there may be wrong result. Then statistical hypothesis is used to get a clear picture. Statistical hypothesis helps properly for analysis. Specified value is found there. The statistical hypothesis makes it clear the difference among the samples and reality. The healthcare service available to the people differs in report and analysis when statistical hypothesis and statistical hypothesis analysis are compared.
1. what is hypotheses testing? a) Research hypotheses versus statistical hypotheses please explain simply, but also...
Explain how hypothesis testing and statistical inferences based on two samples are used to support areas of industry research, academic research, and scientific research.
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Suppose that we are testing H 0 : μ 1 = μ 2 versus H 0 : μ 1 > μ 2 where the two sample sizes are n 1 = n 2 = 10 . Both sample variances are unknown but assumed equal. Find bounds on the P-value for the following observed values of the test statistic. t0=2.31 t0=3.60 t0=1.95 t0=2.19 Please do it by hand and show tables if they are used. Be detailed
What is hypothesis testing? How would you explain it to someone who has not had as much statistical experience as you? What is the difference between the null and alternate hypotheses? What does the p-value tell you? When do you reject the null hypothesis or fail to reject the null hypothesis? Explain how collecting data (i.e. convenience sampling, randomly selected sample, etc.) for the samples could impact the ability to generalize your results to the whole population.
Hypothesis Testing 02 (when o is unknow b) A research engineer for a tire manufacturer is investigating the tire life for a new rubber compound and has built 10 tires and tested them to end-of-life in a road test. The sample mean and standard deviation are: 60,139.7 km and s = 3645.94 km. Write down the null and alternative hypotheses to test if the mean tire life is less than 61,000 km b. What is the type of statistical test...
RESEARCH METHOD ASSIGNMENT Q) Create a diagram and also develop null and alternate hypotheses. A supervisor is worried about the less productivity of his team. The factors he has found from the literature are (1) skill set, (2) remuneration, (3) enthusiasm, (4) fulfilment. He has also learned that if the remuneration were interesting then only enthusiasm, fulfilment, and job productivity increase, not otherwise. Your Answer should be: Identification of variables: Categorization of variables: Conceptual model diagram: ...